Engr. Abul KM Shamsuddin’s outline of Electricity Generation from
Khalashpir Coal Mine using Underground Coal Gasification (UCG)
meeting Notification of Global Warming & World Climate Change
by Carbon Emission.
Electricity Generation from Khalashpir Coal Production using Underground Coal Gasification (UCG) meeting the Notification of Global Warming & World Climate Change by Carbon Emission: Underground coal gasification (UCG) converts coal in-situ into a gaseous product, commonly known as synthesis gas or syngas through the same chemical reactions that occur in surface gasifiers. Gasification converts hydrocarbons into a synthesis gas (syngas) at elevated pressures and temperatures and can be used to create many products (electric power, chemical feedstock, liquid fuels, hydrogen, synthetic gas). Gasification provides numerous opportunities for pollution control, especially with respect to emissions of sulfur, nitrous oxides, and mercury. UCG could increase the coal resource available for utilization enormously by gasifying otherwise unmineable deep or thin coals under many different geological settings. A 300-400% increase in recoverable coal reserves in the U.S. is possible. For developing countries undergoing rapid economic expansion, including India and China, UCG also may be a particularly compelling technology.
The economics of UCG appear extremely promising. The capital expenses of UCG plants appear to be substantially less than the equivalent plant fed by surface gasifiers because purchase of a gasifier is not required. Similarly, operating expenses are likely to be much lower because of the lack of coal mining, coal transportation, and significantly reduced ash management facilities. Even for configurations requiring a substantial environmental monitoring program and additional swing facilities, UCG plants retain many economic advantages.
The challenge of managing CO2 emissions creates a strong drive towards pairing UCG with carbon capture and sequestration (CCS). The composition and outlet pressures of UCG streams at the surface are comparable to those from surface gasifiers; as such, the costs and methodologies for pre-combustion separation are directly comparable (e.g., Selexol at $25/ton CO2). Conventional post-combustion and oxy-firing options may also be applied to UCG-driven surface applications. In addition, the close spatial coincidence of conventional geological carbon storage (GCS) options with UCG opportunities suggests that operators could co-locate UCG and GCS projects with a high likelihood of effective CO2 storage. There is also the possibility of storing some fraction of concentrated CO2 streams in the subsurface reactor. While this appears to have many attractive features, there remains substantial scientific uncertainty in the environmental risks and fate of CO2 stored this way.
Khalashpir Coal Deposit, at Pirganj Upazilla under Rangpur District in Bangladesh should be immediately constructed and developed for Power Generation using Underground Coal Gasification Methology. We should not keep huge deposit of high grade bituminous coal idle underground at the backdrop of shortage of gas reserve and power supply in north-western region of Bangladesh, in particular and whole of Bangladesh in general.
An estimated figure of Coal Production for Power Generation of 600MWH from 6th year & 1200MWH from 8th year from Khalashpir Coal Mine from Central Zone only over a period of 20-years have been shown as below: 1].Coal Production: 100.80 million tons from Central Block in 20-years; 2].600 MWH Power Generation from 6th year of Coal Production; 3].1200 MWH Power Generation from 8th year to 20th year; 4].If Mine Construction starts from 2024, 600 MWH power can be generated from 2029; 5].If Mine Construction starts from 2024, 1200 MWH power can be generated from 2031 upto 2042.
By: Engr Abul KM Shamsuddin; Bangladesh Petroleum & Mining Consultant; Project Director; Techno-Economic Feasibility Study [TEFS], Khalashpir Prepared Coal Deposit; Pirganj; Rangpur; Bangladesh; [A project of Hosaf International Limited under HOSAF Group].
